[INFO] crate jpng 0.1.0 is already in cache [INFO] extracting crate jpng 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/jpng/0.1.0 [INFO] extracting crate jpng 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jpng/0.1.0 [INFO] validating manifest of jpng-0.1.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jpng-0.1.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jpng-0.1.0 [INFO] finished frobbing jpng-0.1.0 [INFO] frobbed toml for jpng-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/jpng/0.1.0/Cargo.toml [INFO] started frobbing jpng-0.1.0 [INFO] finished frobbing jpng-0.1.0 [INFO] frobbed toml for jpng-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jpng/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing jpng-0.1.0 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jpng/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 2697d4606a6229009e7ad20b55674cbefdf0e71afb9ad3c2b1c9285aed203676 [INFO] running `"docker" "start" "-a" "2697d4606a6229009e7ad20b55674cbefdf0e71afb9ad3c2b1c9285aed203676"` [INFO] [stderr] Compiling image v0.19.0 [INFO] [stderr] Compiling jpng v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/lib.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | / self.image [INFO] [stderr] 69 | | .to_rgba() [INFO] [stderr] 70 | | .enumerate_pixels() [INFO] [stderr] 71 | | .zip(luma.pixels()) [INFO] [stderr] ... | [INFO] [stderr] 76 | | }); [INFO] [stderr] 77 | | }).collect::<()>(); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.09s [INFO] running `"docker" "inspect" "2697d4606a6229009e7ad20b55674cbefdf0e71afb9ad3c2b1c9285aed203676"` [INFO] running `"docker" "rm" "-f" "2697d4606a6229009e7ad20b55674cbefdf0e71afb9ad3c2b1c9285aed203676"` [INFO] [stdout] 2697d4606a6229009e7ad20b55674cbefdf0e71afb9ad3c2b1c9285aed203676 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jpng/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 98acfd7d12b82f03311556a7aab2c4d5acb8996069dfa17f7cbfbf091f18978b [INFO] running `"docker" "start" "-a" "98acfd7d12b82f03311556a7aab2c4d5acb8996069dfa17f7cbfbf091f18978b"` [INFO] [stderr] Compiling jpng v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/lib.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | / self.image [INFO] [stderr] 69 | | .to_rgba() [INFO] [stderr] 70 | | .enumerate_pixels() [INFO] [stderr] 71 | | .zip(luma.pixels()) [INFO] [stderr] ... | [INFO] [stderr] 76 | | }); [INFO] [stderr] 77 | | }).collect::<()>(); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `"docker" "inspect" "98acfd7d12b82f03311556a7aab2c4d5acb8996069dfa17f7cbfbf091f18978b"` [INFO] running `"docker" "rm" "-f" "98acfd7d12b82f03311556a7aab2c4d5acb8996069dfa17f7cbfbf091f18978b"` [INFO] [stdout] 98acfd7d12b82f03311556a7aab2c4d5acb8996069dfa17f7cbfbf091f18978b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jpng/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] b2b4969b752a06799a1f4b71f743f0e0caf5a5c04f1d511fc8cd39c18e9a6949 [INFO] running `"docker" "start" "-a" "b2b4969b752a06799a1f4b71f743f0e0caf5a5c04f1d511fc8cd39c18e9a6949"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/jpng-0eebbf938aa65985 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests jpng [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b2b4969b752a06799a1f4b71f743f0e0caf5a5c04f1d511fc8cd39c18e9a6949"` [INFO] running `"docker" "rm" "-f" "b2b4969b752a06799a1f4b71f743f0e0caf5a5c04f1d511fc8cd39c18e9a6949"` [INFO] [stdout] b2b4969b752a06799a1f4b71f743f0e0caf5a5c04f1d511fc8cd39c18e9a6949